java.lang.UnsupportedClassVersionError: dbfit/PostgresTest : Unsupported major.minor version 51.0

GitHub | elephant33 | 2 months ago
  1. 0

    Java error. Unsupported major.minor version 51.0

    GitHub | 2 months ago | elephant33
    java.lang.UnsupportedClassVersionError: dbfit/PostgresTest : Unsupported major.minor version 51.0
  2. 0

    TOS-win32-x86 - "An error has occured. See the log file" (Page 1) / Data Integration - Installation / Talend Community Forum

    talendforge.org | 11 months ago
    java.lang.UnsupportedClassVersionError: org/talend/osgi/configurator/JarLoaderConfigurator : Unsupported major.minor version 51.0
  3. 0

    log4j first run errors

    GitHub | 2 years ago | divious1
    java.lang.UnsupportedClassVersionError: clj_json/JsonExt : Unsupported major.minor version 51.0, compiling:(clj_json/core.clj:1:1)
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  5. 0

    Has Java 7 happened already?

    GitHub | 2 years ago | huntc
    sbt.IncompatiblePluginsException: Binary incompatibility in plugins detected. Note that conflicts were resolved for some dependencies: org.apache.commons:commons-compress org.tukaani:xz
  6. 0

    the launcher can't be started

    GitHub | 4 years ago | obe567
    java.lang.UnsupportedClassVersionError: net/ftb/gui/LaunchFrame : Unsupported major.minor version 51.0

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    dbfit/PostgresTest : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    Class.forName
    1. java.lang.ClassLoader.defineClass1(Native Method)
    2. java.lang.ClassLoader.defineClass(ClassLoader.java:620)
    3. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
    4. java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
    5. java.net.URLClassLoader.access$000(URLClassLoader.java:56)
    6. java.net.URLClassLoader$1.run(URLClassLoader.java:195)
    7. java.security.AccessController.doPrivileged(Native Method)
    8. java.net.URLClassLoader.findClass(URLClassLoader.java:188)
    9. java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    10. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
    11. java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    12. java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    13. java.lang.Class.forName0(Native Method)
    14. java.lang.Class.forName(Class.java:169)
    14 frames
  3. FitNesse
    FitServer.main
    1. fit.FixtureLoader.loadFixtureClass(FixtureLoader.java:67)
    2. fit.FixtureLoader.instantiateFixture(FixtureLoader.java:60)
    3. fit.FixtureLoader.instantiateFirstValidFixtureClass(FixtureLoader.java:84)
    4. fit.FixtureLoader.disgraceThenLoad(FixtureLoader.java:44)
    5. fit.Fixture.loadFixture(Fixture.java:142)
    6. fit.Fixture.getLinkedFixtureWithArgs(Fixture.java:134)
    7. fit.Fixture.doTables(Fixture.java:79)
    8. fit.FitServer.process(FitServer.java:81)
    9. fit.FitServer.run(FitServer.java:56)
    10. fit.FitServer.main(FitServer.java:41)
    10 frames